Home / 964,492.80-1,447,430.40-403,929.60

Finding the Fourth Proportional to 964,492.80, 1,447,430.40 and 403,929.60

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Solution

The fourth proportional to 964,492.80, 1,447,430.40 and 403,929.60 is: 606,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,492.80 : 1,447,430.40 = 403,929.60 : x
  2. Step 2: Convert to fraction form
    964,492.80/1,447,430.40 = 403,929.60/x
  3. Step 3: Cross multiply
    964,492.80x = 1,447,430.40 × 403,929.60
  4. Step 4: Simplify right side
    964,492.80x = 584,659,982,499.84
  5. Step 5: Solve for x
    x = 584,659,982,499.84/964,492.80
  6. Step 6: Final answer
    x = 606,183.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.